69.9k views
2 votes
If g(x) = 4 square root of x then g(45) is

User GaelS
by
7.5k points

1 Answer

6 votes
Hi,

So we have g(x) = 4√(x). We're looking for g(45). Think of it like this: whatever number is in the place of x in g(x), just place that number AS x.

Therefore, we have :
g(45) = 4√(45) ⇒ (4) × (√(45)) ⇒ (4)(3√(5)) = 12√(5).

-Hope this helps!
User Gernot Ullrich
by
6.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.